metaplasm
change of spelling or pronunciation while the meaning is unchanged
paragoge
sound added to end of a word
syncope
linguistic process whereby weak phonemes disappear from words
epenthesis
phonological process involving the addition of one or more sounds to a word
prothesis
addition of a sound or syllable at the beginning of a word without changing the word's meaning or the rest of its structure
consonant doubling
linguistic proces where a root with a single consonant gets an extra consonant in derivations or inflections
apocope
loss of word-final sounds